Week 7 - What is a projectile? Flashcards
1
Q
What is a projectile
A
Any object or body moving through the air, unassisted
2
Q
What 2 external forces act on a projectile
A
Weight due to gravity and air resistance
3
Q
Define trajectory
A
The path followed by a projectile
4
Q
Define range
A
The distance the projectile travels while in the air
5
Q
What factors determine range and trajectory (think of a basketball throw)
A
Initial velocity at release, angle of release (projection angle), height of release
6
Q
What is the vertical acceleration of a projectile
A
-9.81m/s2 due to gravity
